Below, I've ranked 11 protein shakes that I tried for the first time ... Read on to find out the winner, and then check out The 10 Healthiest Sources of Protein You Can Eat.

Shaker bottles are most commonly used to mix protein shakes, and can also be used for all manner of other things.

These protein shakes are available in a pack of 10 for $32.49, which comes out to about $3.25 per bottle. So the next time you’re at Costco, consider grabbing a case—we know you’ll love it.

Here’s what to know about the latest suggestion, plus what to consider when deciding on a protein source. Beans and legumes are the healthiest source of protein, advisory committee member ...